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The Journal of the National Cancer Institute published an article saying that colonoscopy for primary screening might be going too far. I agree! The benefits, harms, and costs have not been determined. Checking the stool for ocult blood and flexible sigmoidoscopy have been shown to be of value but there's no data showing that colonoscopy gives additional...

Fecal transplantation through colonoscopy is an effective treatment for recurrent C. difficile infections according to a Finnish study published in the journal, Gastroenterology. Fresh homogenized donor stool was implanted into the cecum. Results were nearly 100% effective compared to the standard treatment with Vancomycin and Cholestyramine. Symptoms disappeared...